2568731904 has 108 divisors (see below), whose sum is σ = 7796224800. Its totient is φ = 811164672.

The previous prime is 2568731903. The next prime is 2568731917. The reversal of 2568731904 is 4091378652.

2568731904 is a `hidden beast` number, since 2 + 568 + 73 + 19 + 0 + 4 = 666.

2568731904 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

2568731904 is strictly pandigital in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2568731904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568731903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14437 + ... + 73115.

It is a 1-persistent number, because it is pandigital, but 2⋅2568731904 = 5137463808 is not.

Almost surely, 2^2568731904 is an apocalyptic number.

2568731904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2568731904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3898112400).

2568731904 is an abundant number, since it is smaller than the sum of its proper divisors (5227492896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2568731904 is a wasteful number, since it uses less digits than its factorization.

2568731904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58720 (or 58703 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2568731904 is about 50682.6588094981. The cubic root of 2568731904 is about 1369.5343408271.

The spelling of 2568731904 in words is "two billion, five hundred sixty-eight million, seven hundred thirty-one thousand, nine hundred four".